GitHub user eminency opened a pull request:
TAJO-1147: Simple query doesn't work in Web UI
'resultRows' can be -1.
-1 means TajoConstants.UNKNOWN_ROW_NUMBER.
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This closes #461
Author: Jongyoung Park <firstname.lastname@example.org>
resultRows can be -1(TajoConstants.UNKNOWN_ROW_NUMBER)